.top-active{
    position: relative;
    z-index: 99;
    height: 100px;
    clear: both;
    width: 100%;
    min-width: 1210px;
    font-size: 0;
    transition: all .3s ease;
    overflow: hidden;
    img{
        width: 100%;
    }
    .clsoe{
        display: inline-block;
        position: absolute;
        top: 0;
        right: 0;
        font-size: 20px;
        padding: 5px;
        box-sizing: border-box;
        line-height: 20px;
        background: #fff;
        text-align: center;
    }
}